Granted Patent
Utility
US 6,369,059 · App. 09/633,431
Tetracyclic derivatives, process of preparation and use
Inventor:
Alain Claude-Marie Daugan
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Aug 7, 2000
Inventor
Alain Claude-Marie Daugan
Assignee (at issue)
ICOS CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.